[INFO] fetching crate rstat 0.6.0...
[INFO] testing rstat-0.6.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate rstat 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rstat 0.6.0
[INFO] finished tweaking crates.io crate rstat 0.6.0
[INFO] tweaked toml for crates.io crate rstat 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstat 0.6.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.16.1)
[INFO] [stderr]       Adding ndarray-linalg v0.12.1 (available: v0.17.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding rand_distr v0.2.2 (available: v0.5.1)
[INFO] [stderr]       Adding spaces v5.0.0 (available: v6.0.0)
[INFO] [stderr]       Adding special-fun v0.2.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lapacke-sys v0.1.4
[INFO] [stderr]   Downloaded lapack-src v0.6.0
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded ndarray-linalg v0.12.1
[INFO] [stderr]   Downloaded lapacke v0.2.0
[INFO] [stderr]   Downloaded spaces v5.0.0
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded special-fun v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d390c17955a65ae2c3c76cabf8bd470ac4c293bc81fcc5b79c675a66564ab36f
[INFO] running `Command { std: "docker" "start" "-a" "d390c17955a65ae2c3c76cabf8bd470ac4c293bc81fcc5b79c675a66564ab36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d390c17955a65ae2c3c76cabf8bd470ac4c293bc81fcc5b79c675a66564ab36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d390c17955a65ae2c3c76cabf8bd470ac4c293bc81fcc5b79c675a66564ab36f", kill_on_drop: false }`
[INFO] [stdout] d390c17955a65ae2c3c76cabf8bd470ac4c293bc81fcc5b79c675a66564ab36f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b708d01352f70bdc55dd3fa2931af1d2a371e2f91a238c005df644d5806aeb7
[INFO] running `Command { std: "docker" "start" "-a" "6b708d01352f70bdc55dd3fa2931af1d2a371e2f91a238c005df644d5806aeb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr] error: could not compile `rand_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name rand_core --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.5.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="getrandom"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "getrandom", "serde", "serde1", "std"))' -C metadata=1992c66304e2157d -C extra-filename=-11a57345124995d7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-38061430ded5d536.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6b708d01352f70bdc55dd3fa2931af1d2a371e2f91a238c005df644d5806aeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b708d01352f70bdc55dd3fa2931af1d2a371e2f91a238c005df644d5806aeb7", kill_on_drop: false }`
[INFO] [stdout] 6b708d01352f70bdc55dd3fa2931af1d2a371e2f91a238c005df644d5806aeb7